Overview
Clinical Meaning
Gout is a crystal induced arthropathy resulting from sustained hyperuricemia exceeding the physiologic saturation point of monosodium urate (6.8 mg/dL at 37°C).
WHNP
WHNP
Gout is a crystal-induced arthropathy resulting from sustained hyperuricemia exceeding the physiologic saturation point of monosodium urate (6.8 mg/dL at 37°C). Urate crystal deposition activates the NLRP3 inflammasome in resident macrophages, triggering caspase-1-mediated IL-1β release and an intense neutrophilic inflammatory cascade. Chronic hyperuricemia leads to tophaceous disease with cartilage and bone erosion. The clinician must differentiate gout from septic arthritis and pseudogout, prescribe acute flare management, initiate and titrate urate-lowering therapy (ULT) to achieve target serum urate <6 mg/dL, manage comorbidities including CKD and cardiovascular disease, and consider pharmacogenomic testing (HLA-B*5801) before prescribing allopurinol in high-risk populations.
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